One reason for the development of amn early civilization in the Tigris-Euphrates river valley was that.<span>periodic flooding </span>left<span> rich soil, which was ideal for farming.</span><span> </span>
<span>For several years the Angkor or Khmer Empire was the most powerful state on the mainland Southeast Asia. (in 800's) I believe that is your answer.</span>
D I believe :)
Protect not only the property but also the property owner from the danger of slave violence.
Image result for In the early 19th century, state governments in the South passed slave codes
Inherent in the institution of slavery were certain social controls, which enslavers amplified with laws to protect not only the property but also the property owner from the danger of slave violence. The slave codes were forerunners of the Black codes of the mid-19th century.
B is right answer born in us you are citizens
